On the Effect of RF-Space Charge on the Beam-Field Interaction in Gyrotrons |
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| Authors: | Edith Borie Stefan Kern |
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| Affiliation: | (1) Forschungszentrum Karlsruhe, Association Euratom-FZK, Institut für Hochleistungsimpuls und Mikrowellentechnik, Hermann von Helmholtzplatz 1, 76344 Eggenstein–Leopoldshafen, Germany |
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| Abstract: | The effect of RF-space charge fields on the beam-field interaction in gyrotrons is reviewed. This effect, formerly considered unimportant, is found to cause recognisable differences in simulations of gyrotrons with high current density, such as today’s megawatt level gyrotrons. In this paper, a numerically efficient way of including RF-space charge in the common slow variables model is derived and numerical examples are presented. |
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| Keywords: | Gyrotrons High power microwaves RF-space charge |
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